<template>
  <view class="content">
    <view class="navbar">
      <view v-for="(item, index) in navList" :key="index" class="nav-item"
            :class="{current: tabCurrentIndex === index}" @click="tabClick(index)">
        {{ item.text }}
      </view>
    </view>


    <swiper :current="tabCurrentIndex" class="swiper-box" duration="300" @change="changeTab">
      <swiper-item class="tab-content" v-for="(tabItem,tabIndex) in navList" :key="tabIndex">
        <scroll-view class="list-scroll-content" scroll-y @scrolltolower="loadData">
          <view v-for="(order,index) in orderByInfo" :key="index" class="order-item">
            <view class="i-top b-b">
              <text class="state" :style="{color: order.status}" v-if="order.status === 0">待支付</text>
              <text class="state" :style="{color: order.status}" v-else-if="order.status === 1">待发货</text>
              <text class="state" :style="{color: order.status}" v-else-if="order.status === 2">待收货</text>
              <text class="state" :style="{color: order.status}" v-else-if="order.status === 3">待评价</text>
              <text class="state" :style="{color: order.status}" v-else-if="order.status === 4">退款中</text>
              <text class="state" :style="{color: order.status}" v-else-if="order.status === 5">已完成</text>
              <text class="state" :style="{color: order.status}" v-else-if="order.status === 6">已取消</text>
            </view>

            <view v-for="product in productList">
            <view class="goods-box-single">
              <image :src="product.images" class="goods-img"/>
              <view class="right">
                <text class="title clamp">{{ product.name }}</text>
                <text class="attr-box">{{ product.price }} x {{ order.total }}</text>
                <text class="price">{{ (product.price) * (order.total) }}</text>
              </view>
            </view>

            <view class="price-box">
              共
              <text class="num">{{ order.total }}</text>
              件商品 实付款
              <text class="price">{{ product.price * order.total }}</text>
            </view>

            <view class="action-box b-t"
                  v-if="order.status === 0 || order.status === 1 || order.status === 2">
              <button class="action-btn" @click="cancelOrder(order)">取消订单</button>
              <button class="action-btn recom">立即支付</button>
            </view>
            <view class="action-box b-t" v-else>
              <button class="action-btn" @click="cancelOrder(order)">订单详情</button>
            </view>
            </view>

          </view>
          <uni-load-more :status="tabItem.loadingType"></uni-load-more>
        </scroll-view>
      </swiper-item>
    </swiper>
  </view>
</template>

<script>
import uniLoadMore from '@/components/uni-load-more/uni-load-more.vue';
import empty from "@/components/empty";
import {
  getOrderAll, getOrderByStatus,
} from "../../api/order/order";
import {
  getProductDetail
} from "../../api/product/product";

export default {
  components: {
    uniLoadMore,
    empty
  },
  data() {
    return {
      id: 0,
      tabCurrentIndex: 0,
      navList: [{
        state: 0,
        text: '全部',
        loadingType: 'more',
      },
        {
          state: 1,
          text: '待付款',
          loadingType: 'more',
        },
        {
          state: 2,
          text: '待收货',
          loadingType: 'more',
        },
        {
          state: 3,
          text: '待评价',
          loadingType: 'more',
        },
        {
          state: 4,
          text: '售后',
          loadingType: 'more',
        }
      ],
      productList: [],
      orderList: [],
      orderByInfo: [],
    };
  },

  onLoad(options) {
    /**
     * 修复app端点击除全部订单外的按钮进入时不加载数据的问题
     * 替换onLoad下代码即可
     */
    this.tabCurrentIndex = +options.state;
    this.loadData(0)
    if (options.state == 0) {
      this.loadData(0)
    }
    // #endif

  },


  methods: {
    //获取订单列表
    loadData(current) {
      console.info(current)
      this.orderByInfo = []
      this.orderByInfo = []
      if (current === 0) {
        getOrderAll().then(order => {
          order.rows.forEach(order => {
            console.info("order", order)
            this.orderByInfo.push(order)
            getProductDetail(order.productId).then(productList => {
              this.productList.push(productList.data)
              console.info("product",this.productList.data)
            })
          })
        })
      } else {
        getOrderByStatus(current).then(order => {
          console.info("order", order)
          order.rows.forEach(order => {
            this.orderByInfo.push(order)
            getProductDetail(order.productId).then(productList => {
              this.productList.push(productList.data)
            })
          })
        })
      }
    },

    //swiper 切换
    changeTab(e) {
      this.navList.forEach(nav => {
        if (e.target.current === nav.state) {
          console.info(e)
          this.loadData(e.target.current)
        }
      })

    },
    //顶部tab点击
    tabClick(index) {
      this.tabCurrentIndex = index;
    },
    //删除订单
    deleteOrder(index) {
      uni.showLoading({
        title: '请稍后'
      })
      setTimeout(() => {
        this.navList[this.tabCurrentIndex].orderList.splice(index, 1);
        uni.hideLoading();
      }, 100)
    },


    //订单状态文字和颜色
    orderStateExp(state) {
      let stateTip = '',
          stateTipColor = '#fa436a';
      switch (+state) {
        case 1:
          stateTip = '待付款';
          break;
        case 2:
          stateTip = '待发货';
          break;
        case 9:
          stateTip = '订单已关闭';
          stateTipColor = '#909399';
          break;

          //更多自定义
      }
      return {
        stateTip,
        stateTipColor
      };
    }
  },
}
</script>

<style lang="scss">
page, .content{
  background: $page-color-base;
  height: 100%;
}

.swiper-box{
  height: calc(100% - 40px);
}
.list-scroll-content{
  height: 100%;
}

.navbar{
  display: flex;
  height: 40px;
  padding: 0 5px;
  background: #fff;
  box-shadow: 0 1px 5px rgba(0,0,0,.06);
  position: relative;
  z-index: 10;
  .nav-item{
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    font-size: 15px;
    color: $font-color-dark;
    position: relative;
    &.current{
      color: $base-color;
      &:after{
        content: '';
        position: absolute;
        left: 50%;
        bottom: 0;
        transform: translateX(-50%);
        width: 44px;
        height: 0;
        border-bottom: 2px solid $base-color;
      }
    }
  }
}

.uni-swiper-item{
  height: auto;
}
.order-item{
  display: flex;
  flex-direction: column;
  padding-left: 30upx;
  background: #fff;
  margin-top: 16upx;
  .i-top{
    display: flex;
    align-items: center;
    height: 80upx;
    padding-right:30upx;
    font-size: $font-base;
    color: $font-color-dark;
    position: relative;
    .time{
      flex: 1;
    }
    .state{
      color: $base-color;
    }
    .del-btn{
      padding: 10upx 0 10upx 36upx;
      font-size: $font-lg;
      color: $font-color-light;
      position: relative;
      &:after{
        content: '';
        width: 0;
        height: 30upx;
        border-left: 1px solid $border-color-dark;
        position: absolute;
        left: 20upx;
        top: 50%;
        transform: translateY(-50%);
      }
    }
  }
  /* 多条商品 */
  .goods-box{
    height: 160upx;
    padding: 20upx 0;
    white-space: nowrap;
    .goods-item{
      width: 120upx;
      height: 120upx;
      display: inline-block;
      margin-right: 24upx;
    }
    .goods-img{
      display: block;
      width: 100%;
      height: 100%;
    }
  }
  /* 单条商品 */
  .goods-box-single{
    display: flex;
    padding: 20upx 0;
    .goods-img{
      display: block;
      width: 120upx;
      height: 120upx;
    }
    .right{
      flex: 1;
      display: flex;
      flex-direction: column;
      padding: 0 30upx 0 24upx;
      overflow: hidden;
      .title{
        font-size: $font-base + 2upx;
        color: $font-color-dark;
        line-height: 1;
      }
      .attr-box{
        font-size: $font-sm + 2upx;
        color: $font-color-light;
        padding: 10upx 12upx;
      }
      .price{
        font-size: $font-base + 2upx;
        color: $font-color-dark;
        &:before{
          content: '￥';
          font-size: $font-sm;
          margin: 0 2upx 0 8upx;
        }
      }
    }
  }

  .price-box{
    display: flex;
    justify-content: flex-end;
    align-items: baseline;
    padding: 20upx 30upx;
    font-size: $font-sm + 2upx;
    color: $font-color-light;
    .num{
      margin: 0 8upx;
      color: $font-color-dark;
    }
    .price{
      font-size: $font-lg;
      color: $font-color-dark;
      &:before{
        content: '￥';
        font-size: $font-sm;
        margin: 0 2upx 0 8upx;
      }
    }
  }
  .action-box{
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 100upx;
    position: relative;
    padding-right: 30upx;
  }
  .action-btn{
    width: 160upx;
    height: 60upx;
    margin: 0;
    margin-left: 24upx;
    padding: 0;
    text-align: center;
    line-height: 60upx;
    font-size: $font-sm + 2upx;
    color: $font-color-dark;
    background: #fff;
    border-radius: 100px;
    &:after{
      border-radius: 100px;
    }
    &.recom{
      background: #fff9f9;
      color: $base-color;
      &:after{
        border-color: #f7bcc8;
      }
    }
  }
}


/* load-more */
.uni-load-more {
  display: flex;
  flex-direction: row;
  height: 80upx;
  align-items: center;
  justify-content: center
}

.uni-load-more__text {
  font-size: 28upx;
  color: #999
}

.uni-load-more__img {
  height: 24px;
  width: 24px;
  margin-right: 10px
}

.uni-load-more__img>view {
  position: absolute
}

.uni-load-more__img>view view {
  width: 6px;
  height: 2px;
  border-top-left-radius: 1px;
  border-bottom-left-radius: 1px;
  background: #999;
  position: absolute;
  opacity: .2;
  transform-origin: 50%;
  animation: load 1.56s ease infinite
}

.uni-load-more__img>view view:nth-child(1) {
  transform: rotate(90deg);
  top: 2px;
  left: 9px
}

.uni-load-more__img>view view:nth-child(2) {
  transform: rotate(180deg);
  top: 11px;
  right: 0
}

.uni-load-more__img>view view:nth-child(3) {
  transform: rotate(270deg);
  bottom: 2px;
  left: 9px
}

.uni-load-more__img>view view:nth-child(4) {
  top: 11px;
  left: 0
}

.load1,
.load2,
.load3 {
  height: 24px;
  width: 24px
}

.load2 {
  transform: rotate(30deg)
}

.load3 {
  transform: rotate(60deg)
}

.load1 view:nth-child(1) {
  animation-delay: 0s
}

.load2 view:nth-child(1) {
  animation-delay: .13s
}

.load3 view:nth-child(1) {
  animation-delay: .26s
}

.load1 view:nth-child(2) {
  animation-delay: .39s
}

.load2 view:nth-child(2) {
  animation-delay: .52s
}

.load3 view:nth-child(2) {
  animation-delay: .65s
}

.load1 view:nth-child(3) {
  animation-delay: .78s
}

.load2 view:nth-child(3) {
  animation-delay: .91s
}

.load3 view:nth-child(3) {
  animation-delay: 1.04s
}

.load1 view:nth-child(4) {
  animation-delay: 1.17s
}

.load2 view:nth-child(4) {
  animation-delay: 1.3s
}

.load3 view:nth-child(4) {
  animation-delay: 1.43s
}

@-webkit-keyframes load {
  0% {
    opacity: 1
  }

  100% {
    opacity: .2
  }
}
</style>
